👉【Product Advantages-Function】：This adapter can make listed for dewalt 20V 18V MAX XR battery and for Milwaukee 18V M18 lithium batteries replace for V18 battery,use for Milwaukee V18 18V NI-CD cordless power tools,and let you enjoy the benefits of extended run-time of li-Ion batteries on your existing difference brand tools(Note:Adapter only,no battery). 👉【Applicable Batteries】The battery adapter for dewalt/for Milwaukee to for Milwaukee V18 18V NI-CD is perfectly compatible with dewalt 20v lithium ion batteries DCB200, DCB201, DCB203, DCB204, DCB202, DCB206, or compatible with Milwaukee m18 18v lithium ion batteries 48-11-1811, 48-11-1815, 48-11-1820, 48-11-1822, 48-11-1828 etc 👉【Use for Milwaukee V18 Tools】Working for Milwaukee Ni-Cd/Ni-Mh Tools 0521-20, 0521-21, 0521-22, 0522-21, 0522-24, 0522-25, 0522-52,0523-20, 0524-20, 0524-24, etc. 👉【With USB Port】The USB interface (output: 5V 2.1A) allows you to charge your mobile phone, iPad, Airpods and other small electronic devices at anywhere and anytime. The solid design guarantees that it will not slip. Complies with FCC RoHS and CE safety testing standards. safe and easy use. 👉【Excellent Customer Service】We support a 30-day refund and a 12 months warranty. If you have any questions, please feel free to contact us, our team will do our best to satisfy every customer who buys our products.